//=========================================================================== // Class for a linked-list row and its cells // A. Fischer, October 1, 2000 file: row.hpp // Modified M. & A. Fischer, September 17, 2009 //=========================================================================== #pragma once #include #include "item.hpp" using namespace std; //--------------------------------------------------------------------------- // Dependent class. Holds an Item and a link to another Cell class Cell { friend class Row; private: Item* data; // Pointer to one data Item (Aggregation) Cell* next; // Pointer to next cell in row (Association) Cell(char* d, int s, Cell* nx) { data = new Item(d, s); next = nx; } ~Cell() { delete data; cerr << " Deleting Cell " << "\n"; } }; //--------------------------------------------------------------------------- // Data structure class class Row { // Interface class for one bar of the bargraph. private: char label[10]; // Row header label Cell* head; // Pointer to head of row public: Row(int n); ~Row(); void insert(char* name, int score); // delegation ostream& print(ostream& os) const; }; //--------------------------------------------------------------------------- inline ostream& operator <<(ostream& out, const Row& T) { return T.print(out); }